<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
    <style>
        #logo{
            float:left;

        }
        #header{
            float:left;
            colspan:"1/3"
        }
        #log{
            float:left;
            margin-top: 40px;
            margin-left: 20px;
        }
        #reg{
            float:left;
            margin-top: 40px;
            margin-left: 20px;
        }
        #shop{
            float:left;
            margin-top: 40px;
            margin-left: 20px;
        }
    </style>
</head>
<body>

<table border="0" width="1200px" cellspacing="0" cellpadding="0" align="center">
    <tr>
    <td id="logo" colspan="1/3"><img src="img/logo.png"></td>
   <td id="header"colspan="1/3"><img src="img/header.jpg"></td>
   <td id="log">登陆</td>
   <td id="reg">注册</td>
   <td id="shop">购物车</td>
    </tr>
    <tr>

    </tr>
</table>

</body>
</html>